function cout=cvt_argos(s2, s3, lat,lon)
%
% run map_argos first!  then use outputs to output
%  x,y,z for Dennis' plotting program
%
% all the needed vectors are there since map_argos is a script.
dt=char(s2);
yr=str2num(dt(:,1:4));
mo=str2num(dt(:,6:7));
da=str2num(dt(:,9:10));
dt=char(s3);
hr=str2num(dt(:,1:2));
mn=str2num(dt(:,4:5));
sc=str2num(dt(:,7:8));
frstday=datenum(2005,1,1,0,0,0);
argosdate=datenum(yr,mo,da,hr,mn,sc);
netda=argosdate-frstday;
netda=netda+1;
cout=[netda lon-360 lat];
